Advanced Placement (AP) High School

assertion-some organisim live together and share both shelter and nutrient .reason- the organisim that live together are called lichens​

Answers

Answer 1

The assertion that some organisms live together and share both shelter and nutrients is correct. Lichens are a prime example of such organisms.

Lichens are a unique symbiotic relationship between a fungus and an alga or cyanobacterium.

The fungus provides the shelter and protection by forming a structure or thallus, which acts as a home for the alga or cyanobacterium. In return, the alga or cyanobacterium provides nutrients through photosynthesis.

This mutualistic relationship allows both organisms to benefit. The fungus benefits from the nutrients produced by the photosynthetic partner, which helps it thrive in nutrient-poor environments.

Therefore, the organisms that live together in this symbiotic relationship are indeed called lichens.

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Related Questions

Which procedure should a student follow to model the role of gravity in the water cycle? A) Use an eye dropper to drop water onto a pile of soil. B) Fill a cup halfway with water and place it under a lamp for 24 hours. C) Place a bowl of crushed ice on a counter at room temperature for 12 hours. D) Put a bowl full of water on a table and allow a fan to blow across the surface of the water.​

Answers

To model the role of gravity in the water cycle, the most suitable procedure would be: Put a bowl full of water on a table and allow a fan to blow across the surface of the water. The correct option is D.

The water cycle involves the movement of water through various processes such as evaporation, condensation, and precipitation, all of which are influenced by gravity.

In this procedure, placing a bowl of water on a table represents a body of water, and allowing a fan to blow across the surface mimics the wind or air movement. As the fan blows, it creates air currents that simulate the movement of air in the atmosphere.

The role of gravity comes into play as the water in the bowl is subject to the force of gravity, causing it to flow and potentially evaporate.

The fan blowing across the surface helps to simulate the process of evaporation and the movement of water vapor in the atmosphere.

Therefore, option D) is correct.

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Determine the value of the annuity for the indicated monthly deposit amount, the number of deposits, and the interest rate. You will need to determine the value for r to solve this problem. When finding r round it to the nearest ten thousandths. Deposit amount: $150; total deposits: 24; interest rate: 3%, compound monthly. The value for r is:____ The value of the annuity is $____

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Answer: To find the value of the annuity for the indicated monthly deposit amount, number of deposits, and interest rate, we can use the following formula:

```A = PMT * ((1 + r/n)^(nt) - 1) / (r/n)```

Where:

- A is the value of the annuity

- PMT is the monthly deposit amount

- r is the interest rate

- n is the number of compounding periods per year

- t is the total number of years

In this case, the values are:

- PMT = $150 (monthly deposit amount)

- r = 0.03 (interest rate)

- n = 12 (compounding periods per year)

- t = 24/12 = 2 (total number of years)

Substituting these values into the formula above, we get:

```A = $150 * ((1 + 0.03/12)^(12*2) - 1) / (0.03/12)```

Simplifying this expression gives us:

```A = $150 * (1.0275^24 - 1) / 0.0025```

Evaluating this gives us:

```A = $3,789.09```

Therefore, the value of the annuity is $3,789.09.

To find the value of r, we can rearrange the formula above and solve for r:

```r = n * (((A * (r/n)) / PMT) + 1)^(1/(n*t)) - n```

Substituting the values we have, we get:

```0.03 = 12 * (((3789.09 * (0.03/12)) / 150) + 1)^(1/(12*2)) - 12```

Solving this equation gives us:

```r = 0.0330```

Rounding to the nearest ten thousandths as requested, the value of r is 0.0330.

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